Mumtaz S, Ahmad M, Aftab I, Akhtar N, Hassan M ul, Hamid A. EXTENDED SPECTRUM β-LACTAMASES IN ENTERIC GRAM-NEGATIVE BACILLI: RELATED TO AGE AND GENDER. J Ayub Med Coll Abbottabad [Internet]. 2007 Dec. 1 [cited 2025 Apr. 27];19(4):107-11. Available from: https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/5073